High 7.5Published Jun 24, 2026

CVE-2026-52794Sentry: Inefficient Regular Expression Complexity in sentry

Updated under an hour ago (Oct 28, 2026, 6:10 AM ET)

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It affects getsentry sentry and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for getsentry sentry

Exploited in the last 30 days

Sentry is an error tracking and performance monitoring tool. From 24.4.0 until 26.5.2, a Regular Expression Denial of Service (ReDoS) vulnerability exists in Sentry's event ingestion pipeline, where a regex applied to attacker-controlled fields on incoming events can be made to consume disproportionate CPU time. This vulnerability is fixed in 26.5.2.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-1333
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jun 25, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

getsentry sentry getsentry:sentry (from the name)	from 24.4.0, < 26.5.2	CNA record
sentry sentry sentry:sentry	from 24.4.0 before 26.5.2	NVD

References

References

https://github.com/getsentry/sentry/security/advisories/GHSA-jjqr-wqg2-p856	x-refsource-confirm, mitigation, vendor-advisory
https://github.com/getsentry/sentry/pull/116587	x-refsource-misc, issue-tracking, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.